Messages in this thread |  | | Date | Mon, 12 Nov 2001 13:59:12 -0800 | From | Mike Fedyk <> | Subject | Re: how is processor cache coherency maintained for device drivers |
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On Sun, Nov 11, 2001 at 08:55:52AM -0800, James Bottomley wrote: > I believe (although you should take better advice from the PPC people) that > the powerpc is completely cache coherent, so any coherency problems you may be > having would be due to the hardware, not the kernel. >
IIRC (probably wrong though) the PPC is not coherent for one of its caches, but is for another. PPC people would definately know the details, I'm just thinking of a thread I read on this a few weeks ago...
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